Visible light is just one part of the electromagnetic spectrum that astronomers use to study the universe. The James Webb Space Telescope was built to see infrared light, other space telescopes ...

When the New York Times first wrote about "mysterious radio waves" from the cosmos in 1933, they made sure to note one fundamental caveat: "No Evidence of Interstellar Signaling." Indeed, the radio ...

At night, you can listen to AM radio from stations on the other side of the country. To find out why, we need to look high into the atmosphere. Not all radio waves travel farther at night than during ...

A bizarre spinning object has been detected sending out strange radio wave pulses deep in space. This object, named GPM J1839-10, is around 15,000 light years away from Earth, and has been spotted by ...

Michael J. I. Brown receives research funding from the Australian Research Council and Monash University. Supermassive black holes reside in some of the biggest galaxies in the universe. They tend to ...

Researchers report that lab tests of a new metasurface-based antenna that can harvest 100 microwatts of power, enough to power simple devices, from low power radio waves. This represents an important ...

When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an art piece that ...